Home / 49,656.36-68,508.64-28,143.02

Finding the Fourth Proportional to 49,656.36, 68,508.64 and 28,143.02

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Solution

The fourth proportional to 49,656.36, 68,508.64 and 28,143.02 is: 38,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,656.36 : 68,508.64 = 28,143.02 : x
  2. Step 2: Convert to fraction form
    49,656.36/68,508.64 = 28,143.02/x
  3. Step 3: Cross multiply
    49,656.36x = 68,508.64 × 28,143.02
  4. Step 4: Simplify right side
    49,656.36x = 1,928,040,025.69
  5. Step 5: Solve for x
    x = 1,928,040,025.69/49,656.36
  6. Step 6: Final answer
    x = 38,827.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.